Ozark, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7 °C (low) to 19.7 °C (high). Annual precipitation averages 1179.6 Millimeters. Ozark is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.1 °C | 6.4 °C | 67.06 mm |
| February | -3.3 °C | 9.2 °C | 62.48 mm |
| March | 1.1 °C | 14.4 °C | 109.98 mm |
| April | 6.3 °C | 20.1 °C | 121.41 mm |
| May | 12 °C | 24.3 °C | 130.81 mm |
| June | 16.9 °C | 29 °C | 113.54 mm |
| July | 19.2 °C | 31.4 °C | 110.49 mm |
| August | 18.2 °C | 31.3 °C | 82.8 mm |
| September | 13.8 °C | 27.3 °C | 119.13 mm |
| October | 7.1 °C | 21 °C | 92.96 mm |
| November | 1 °C | 14 °C | 95.5 mm |
| December | -3.3 °C | 8.2 °C | 73.41 mm |
| Annual | 7 °C | 19.7 °C | 1179.57 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |